Used 2021 Jeep Gladiator for Sale nearSaint Louis, MO

How much does the 2021 Jeep Gladiator cost?

Prices have softened 5.95% compared to this time last year, making it a favorable time to shop this model year.

There are 5,016 listings available, which suggests you have a decent amount of inventory to compare. If you find a listing below $30,672.76, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 Jeep Gladiator a good car?

Yes — the 2021 Jeep Gladiator earns a 5/5 user rating and a 7.17/10 expert rating. The standout strength is Look and feel at 9/10.

Owners consistently praise its ruggedness, off-road capability, and unique design, and many also like the powerful diesel setup and comfortable interior. The trade-offs are familiar for this truck: poor fuel economy and a price that can feel high for what you get. That makes it a strong fit if you want a midsize pickup with personality, open-air appeal, and a manual transmission, rather than a polished everyday truck. With 32.5% of listings marked as good or great deals, the market gives you some room to shop selectively.

Is the 2021 Jeep Gladiator reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

User feedback points to a truck that owners see as rugged, dependable, and built for long-term use, especially when you value its unique character and capability. The diesel powertrain adds substantial low-end torque and better fuel economy than the gas engine, which supports its case as a truck you can count on for demanding use. Jeep also includes free scheduled maintenance during the first three years or 36,000 miles of ownership, which helps reduce early ownership friction. For used buyers, the main long-term risk is that the same traits that make it appealing can also mean higher running costs and more wear if it was used hard off-road.

What should I look for when buying a used 2021 Jeep Gladiator?

Accident-free inventory is solid at 83.2% — always verify the vehicle history report.

You should still run a history report on any candidate, because a clean listing percentage does not replace a vehicle-specific check. Prioritize a pre-purchase inspection that focuses on suspension, steering, tires, and signs of hard use, since this truck’s appeal often overlaps with more demanding ownership. Pay close attention to condition details that matter on a lifestyle truck, including the cabin, removable-top hardware, and any evidence of off-road wear.

Key things to evaluate:

• Trim level: The standard Sport trim starts with a 5-inch display, crank windows, and the most basic top, while higher trims add more comfort and convenience. The Overland brings a more upscale feel, and the High Altitude adds body-color detailing, black 20-inch wheels, and premium Nappa leather. The Willys special edition adds a blacked-out grille, limited-slip rear differential, rock rails, and 32-inch all-terrain tires.
• Powertrain: You can choose between a 3.6-liter gasoline V6 and an available 3.0-liter turbo-diesel V6. The diesel makes 260 horsepower and 442 pound-feet of torque, and it delivers stronger low-end grunt with better fuel economy than the gas engine.
• Safety package: Standard equipment is limited to a reversing camera, but available driver-assistance features include adaptive cruise control, forward collision warning, automatic emergency braking, blind-spot monitoring, rear cross-traffic alert, and automatic high beams. Higher trims can add more of these features, so check carefully for gaps.
• Infotainment: The standard system uses a 5-inch display, Bluetooth, voice text reply for Android devices, and SiriusXM satellite radio. A 7-inch touchscreen with Apple CarPlay and Android Auto is standard starting with Sport S, and the available 8.4-inch system adds navigation, connected services, remote engine start, a WiFi hotspot, and an Alpine premium sound system.
• Fuel efficiency: The diesel returned 22.6 mpg in testing and is estimated at 24 mpg combined, while the standard V6 returned 20.3 mpg in a prior highway-heavy test.

Which 2021 Jeep Gladiator trim should I buy?

The 2021 Jeep Gladiator is offered in 5 trim levels: Sport, Sport S, Overland, Willys, High Altitude.

Here's the short version:

• Sport: This is the entry point, and it gives you the Gladiator experience at the lowest starting price, but you give up a lot of convenience equipment. It makes sense if you want the most basic path into the lineup and plan to add your own gear later.
• Sport S: This is the best-value trim because it adds the 7-inch touchscreen with Apple CarPlay and Android Auto, making the truck feel much more modern without jumping too far up the price ladder.
• Overland: Choose this if you want a more upscale cabin and are likely to appreciate the available comfort and tech upgrades. It suits you best if you want the Gladiator’s personality with a more polished daily-driving setup.
• Willys: This is the trim to look at if you want a more trail-ready look and hardware, including the limited-slip rear differential, rock rails, and 32-inch all-terrain tires.
• High Altitude: Pick this if you want the most luxury-oriented Gladiator, with body-color detailing, black 20-inch wheels, and premium Nappa leather.

Safety equipment is still limited on the base setup, so check each listing carefully for the driver-assistance features you want.

Is now a good time to buy a used 2021 Jeep Gladiator?

This looks like a moderate, selective buyer’s market, so you can shop patiently but still move quickly on the right truck.

• Deal availability: 32.5% of listings are priced as good or great deals.
• Inventory: There are 5,016 listings available.
• Price trend: Prices have softened 5.95% compared with last year.
• Clean inventory: 83.2% of listings are accident-free.

If you find a listing below $30,672.76, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Jeep Gladiator's resale value?

The current average of $31,442 sits slightly below last year's $33,433.

That price movement suggests the market has cooled a bit, which can help you buy more selectively now. For a future seller, softer pricing means you should expect resale value to depend heavily on condition, mileage, and equipment. Well-kept examples with desirable trims and strong feature content should hold up better than bare-bones trucks with visible wear.

Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Jeep Gladiator safe?

It earns a four-star frontal-impact rating from NHTSA and a three-star rollover resistance rating.

It earns a 7/10 safety score from our experts.

The Gladiator’s standard safety setup is sparse, with just a reversing camera and little else. Available driver-assistance features include adaptive cruise control, forward collision warning, automatic emergency braking, blind-spot monitoring, rear cross-traffic alert, and automatic high beams. You should pay close attention to trim and option content, because the safety story changes meaningfully as equipment levels rise. The published crash-test results also show a caveat: the rollover rating is only three stars.

Should I buy a 2021 Jeep Gladiator or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 32.5% of listings are priced as good or great deals.
• Accident-free inventory is solid at 83.2% — always verify the vehicle history report.
• Price trend: Prices have softened 5.95% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2021 adds a turbo-diesel engine option, free scheduled maintenance, and fresh special-edition models.

Consider the 2020 if:

• At $28,275, the 2020 costs less than the current year's $31,442 average.
• It combines Jeep off-road character with midsize pickup usefulness.

The bottom line: If you want the strongest mix of features, market selection, and the year’s added diesel option, the 2021 is the better target. If your priority is spending less up front, the 2020 can still make sense, especially if you find a clean example with the equipment you want.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.